[2023-11-22-1] #5322. 印欧語族人の故郷 --- Baugh and Cable の英語史より[voicy][heldio][helwa][celtic][bchel][hel_education][notice][khelf]
[2019-02-04-1] #3570. P と Q の対応にいかなる価値を置くべきか？[celtic][family_tree][comparative_linguistics]
[2017-12-29-1] #3168. 12月，December，師走[calendar][etymology][numeral][pchron][word_family][month]
[2016-05-28-1] #2588. Baugh and Cable の英語史からの設問 --- Chapters 1 to 4[hel_education][terminology]
[2016-02-03-1] #2473. フランス語にみられる20進法の残滓[french][latin][numeral][indo-european][contact][etymology]
[2015-07-30-1] #2285. hundred は "great ten"[etymology][indo-european][grimms_law][numeral]
[2015-06-15-1] #2240. thousand は "swelling hundred"[etymology][indo-european][numeral][latin][loan_word]
[2013-04-23-1] #1457. アルバニア語派（印欧語族）[indo-european][family_tree][albanian][map][indo-european_sub-family][contact][borrowing]
[2013-04-18-1] #1452. イラン語派（印欧語族）[indo-european][family_tree][iranian][map][indo-european_sub-family]
[2012-06-21-1] #1151. 多くの謎を解き明かす軟口蓋唇音[indo-european][comparative_linguistics][phonetics][etymology][assimilation][labiovelar]
[2012-06-20-1] #1150. centum と satem[indo-european][comparative_linguistics][phonetics][palatalisation]
[2011-01-20-1] #633. beech と印欧語の故郷[indo-european][comparative_linguistics][map][history_of_linguistics]
[2010-07-26-1] #455. インドヨーロッパ語族の系統図（日本語版）[indo-european][family_tree][flash]
[2009-08-14-1] #109. 比較言語学のロマン --- Tocharian (2)[indo-european][comparative_linguistics][tocharian][map][buddhism]
[2009-08-07-1] #102. hundred とグリムの法則[etymology][grimms_law][verners_law]
[2009-08-06-1] #101. 比較言語学のロマン --- Tocharian と Anatolian[indo-european][comparative_linguistics][tocharian][hittite][buddhism]
[2009-08-05-1] #100. hundred と印欧語比較言語学[indo-european][family_tree][comparative_linguistics][reconstruction][grimms_law][verners_law]